Dr. Diana Atena Chicos, MD
- Medicare services, 2024
- 646
- Medicare patients, 2024
- 110
- Part D claims, 2024
- 8,957
- Hospital affiliations
- 4
- Industry payments
- $17
- Practice address
- 6434 W North Ave, Chicago, IL 60707
- Practice phone
- Call (847) 390-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advocate Medical Group
Chicago, Illinois
Find Dr. Chicos' professional email, personal email and mobile number
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Dr. Diana Atena Chicos is an internist in Chicago, Illinois
Dr. Chicos practices at Advocate Medical Group in Chicago, Illinois.
Dr. Chicos' NPI, 1932132230, was assigned on July 9, 2006. Dr. Chicos holds Illinois license 036-109199.
- NPI
- 1932132230NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779484241
- NPI enumeration date
- July 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 390-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diana Atena Chicos practices at Advocate Medical Group in Chicago, Illinois
Dr. Chicos' primary practice is Advocate Medical Group, at 6434 W North Ave, Chicago, IL 60707 in Cook County. The practice phone is (847) 390-5900.
- Advocate Medical Group6434 W North Ave, Chicago, IL 60707 · Cook CountyPhone(847) 390-5900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Diana Atena Chicos is affiliated with 7 sites of care and 2 medical groups
Dr. Chicos' primary practice is Advocate Medical Group in Chicago, Illinois. Dr. Chicos is also affiliated with Advocate Illinois Masonic Medical Center. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Chicos to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Diana Atena Chicos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chicos practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Medical Group | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diana Atena Chicos is one of 5,652 internists in Illinois
Internal medicine is Dr. Chicos' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chicos is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Chicos
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Diana Atena Chicos billed Medicare for 646 services in 2024
CMS data shows 646 Medicare services from Dr. Chicos across 9 procedure codes in 2024, for 110 Medicare patients. Medicare paid $36,552 for them. Every service was in an office.
Dr. Chicos' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2402024: 2285%
- Other services
- 2023: 972024: 18288%
- Surgery
- 2023: 1522024: 13014%
- Tests and treatments
- 2023: 512024: 106108%
Dr. Chicos compared with the Illinois median for internists, 2024
- Dr. Chicos
- Illinois median
- Medicare services
- 646vs 56614% above
- Medicare patients
- 110vs 20847% below
- Part D claims
- 8,424vs 28429.7 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Chicos' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chicos and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diana Atena Chicos treated 110 Medicare patients in 2024, average age 72
CMS counts 110 Medicare patients who saw Dr. Chicos in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chicos' median patient age at 74, with 69% women.
Dr. Chicos' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chicos' Medicare patients by sex, 2024
- Women8174%
- Men2926%
Chronic conditions among Dr. Chicos' Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis50%
- Diabetes45%
- Chronic kidney disease35%
- Ischemic heart disease24%
- Heart failure19%
- Mood disorders15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chicos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diana Atena Chicos wrote 8,957 Medicare Part D claims in 2024
In 2024, Dr. Chicos wrote 8,957 Medicare Part D claims for 606 patients. 88% of them were for generic drugs. CMS names the drug for 8,424 of them, across 111 drugs with 11 or more claims each, at $690,190 in total drug cost. In 2023, CMS named 8,771 claims across 113 drugs.
Dr. Chicos' Part D claims by kind of drug, 2024
- Generic7,885 claims88%
- Brand-name997 claims11%
- Other75 claims1%
Dr. Chicos' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chicos' Part D claims, 2024
- Antibiotics1%61 of 8,957 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8,7712024: 8,4244%
Drugs named by CMS: 111 in 2024, 113 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Diana Atena Chicos takes part in Medicare
Dr. Chicos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Diana Atena Chicos received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Chicos from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Phadia US Inc. paid the most, $17.
Companies that paid Dr. Chicos the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Diana Atena Chicos's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Diana Atena Chicos
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Diana Atena Chicos' NPI number?
Dr. Diana Atena Chicos' NPI number is 1932132230. It was assigned on July 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diana Atena Chicos?
Dr. Diana Atena Chicos is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Diana Atena Chicos practice?
Dr. Chicos practices at 6434 W North Ave, Chicago, IL 60707. Dr. Chicos' primary practice is Advocate Medical Group in Chicago, Illinois. Dmand AI also links Dr. Chicos to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Diana Atena Chicos' office phone number?
The practice phone on file for Dr. Chicos is (847) 390-5900.
What is Dr. Diana Atena Chicos' medical license number?
Dr. Chicos holds Illinois license 036-109199.
Which hospitals is Dr. Diana Atena Chicos affiliated with?
Dr. Chicos is affiliated with Advocate Illinois Masonic Medical Center. Dmand AI links Dr. Chicos to 3 more hospitals.
What medical group is Dr. Diana Atena Chicos part of?
Dr. Chicos is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Chicos to 1 more medical group.
Does Dr. Diana Atena Chicos accept Medicare?
Yes. CMS data shows Dr. Chicos billed Medicare for 646 services in 2024, and Dr. Chicos accepts Medicare assignment.
How many Medicare patients does Dr. Diana Atena Chicos see?
CMS counts 110 Medicare patients who saw Dr. Chicos in 2024, with an average age of 72.
What services does Dr. Diana Atena Chicos bill to Medicare?
In 2024, Dr. Chicos' most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G2211).
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What drugs does Dr. Diana Atena Chicos prescribe most?
In 2024 Medicare Part D data, Dr. Chicos' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Diana Atena Chicos received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Chicos from 1 company from 2025 to 2025. The largest total came from Phadia US Inc.
How long has Dr. Diana Atena Chicos been practicing?
Dr. Chicos graduated from medical school in 1994, 32 years ago.
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